. >> better thanny sanders and hillary clinton clash in the kkic debate trading jabs on foreign policy, the economy, and their resumes. >>> black tie optional. at the gop ga la a few miles away, john kasich tried to set himself apart from the pack not from he said but what he wore. >> the race for the white house is called a circus but it looked like the real thing in japan when a chimp named cha-cha escaped from a zoo and kept a neighborhood on alert for hours. >>> good morning from the studio 57 newsroom at cbs news headquarters here in new york. good to be with you. i'm anne-marie green. >>> now four days before what has turned out to be a critical primary here in new york, hillary clinton and bernie sanders held their first debate in five weeks last night. with so much at stake, it was a contentious meeting. as the candidates argued over qualifications, foreign policy, and wall street. a just released cbs news poll finds clinton leading trump and cruz a potential november matchup and losing to kasich. but sanders beats all three potential republican candidates. jamie yuccas has mor